/Engine/Source/Editor/LandscapeEditor/Public/LandscapeEditorUtils.h
namespace LandscapeEditorUtils { bool LandscapeEditorUtils::SetWeightmapData ( [ALandscapeProxy](API\Runtime\Landscape\ALandscapeProxy) * Landscape, [ULandscapeLayerInfoObject](API\Runtime\Landscape\ULandscapeLayerInfoObject) * LayerObject, const [TArray](API\Runtime\Core\Containers\TArray)< uint8 > & Data ) }